Fright Night: 10 Horror Movies Based on True Stories

No. 8 The Exorcist (1973)

Movie Plot: The film begins with the strange body manifestations of a young girl, Linda Blair, which is treated by several doctors who cannot find the reason for her illness. This condition eventually evolves into a demoniac possession. It is based on William Peter Blatty’s novel.

True Story: this famous movie was based on Blatty’s book, which was itself inspired by a strange case of a boy known as Roland Doe, who had apparently been possessed. The events took place in 1949, in a Catholic Church where an exorcism was performed.